S-shape response function exhibits increasing returns to scale at low levels (threshold) and diminishing returns at high levels (saturation) of marketing effort
PPT - AD Budgeting PowerPoint Presentation, free download - ID:4871925
Learn Response Curves
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Sale Response Function - Definition & Meaning, Marketing Overview
Comparing the S-Shaped Response Curve and Concave-Downward Curve: Applications for Different Products and Budget Setting Approaches, PDF, Advertising
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The most important output of your Marketing Mix Model: response curves
A modular approach for modeling the cell cycle based on functional response curves
ADVERTISEMENT AND BRAND MANAGEMENT
Item characteristic curves and item information curves from item response models - brms - The Stan Forums
Sales Response Functions - Marketing mix Modelling (MMM)